delete from student where s_id > 5 该代码执行的是()
A: 添加记录
B: 修改记录
C: 删除记录
D: 查询记录
A: 添加记录
B: 修改记录
C: 删除记录
D: 查询记录
C
举一反三
- Delete from studentwhere s_id > 5该代码所表示的实际操作为 A: 删除student表中所有s_id B: 删除student表中所有s_id 大于5的记录 C: 删除student表中所有s_id 大于等于5的记录 D: 删除student表
- DELETE FROM student WHERE s_id>5, 对该代码含义描述正确的是() A: 删除student表中所有的s_id B: 删除student表中所有的s_id大于5的记录 C: 删除student表中所有的s_id大于等于5的记录 D: 删除student表
- 删除student表中id为1的记录() A: TRUNCATE FROM student where id=1; B: DELETE student where id=1; C: DELETE FROM student where id=1; D: DELETE INTO student where id=1;
- 删除student表中id为1的记录,下列语句正确的是 A: DELETE student WHERE id=1; B: DELETE FROM student WHERE id=1; C: DELETE FROM student WHERE id:=1; D: DELETE student WHERE id:=1;
- 下列关于删除表中记录的SQL语句,正确的是( )。 A: DELETE student,where id=11; B: DELETE FROM student where id=11; C: DELETE INTO student where id=11; D: DELETE student where id=11;
内容
- 0
delete from student where s_id > 5 该代码执行的是哪项操作?
- 1
delete from student where s_id > 5 的代码 如果取消 where s_id > 5 ,执行 delete from student 语句后的结果意味着什么?
- 2
智慧职教: delete from student where s_id > 5 该代码执行的是()操作?
- 3
语句SELECT * FROM STUDENT WHERE AGE<;25 的执行,表示( )。 A: 查询STUDENT表中的所有记录 B: 查询STUDENT表中带*的记录 C: 查询STUDENT表中所有AGE<;25的记录 D: 查询STUDENT表中所有带*且AGE<;25的记录
- 4
智慧职教: DELETE FROM student WHERE s_id>5,对该代码含义表述正确的是()。